- Died: 8 or 15 Sep 1107
- Buried: Thetford, Norfolk, England
Domesday Book records “Roger Bigod” holding numerous properties in Norfolk and Suffolk. "…Rogerus Bigotus…" subscribed a charter dated Sep 1101 under which Bishop Herbert donated property to Norwich priory. "…Rogeri de Bigot…" subscribed a charter dated 14 Sep 1101 under which Henry I King of England donated property to Bath St Peter. “Rogerus Bygot” founded Thetford Priory, with the advice of “…uxoris meæ Adeliciæ”, by undated charter dated to the reign of King Henry I.
The Annals of Bermondsey which record the death in 1107 of “Rogerus Bigod, principalis fundator monasterii Beatæ Mariæ Thetfordiæ”. 1
Roger married Adelise DE TOSNY, daughter of Robert DE TOSNY, Lord of Belvoir, and Adelais. (Adelise DE TOSNY was born in Belvoir, Lincolnshire, England and died after 1136.)
1 Foundations for Medieval Genealogy, Medlands, Roger Bigod.